<!DOCTYPE html>
<html>
<title>View transitions: writing mode on a container (ref)</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:vmpstr@chromium.org">

<style>
#target {
  background: lightblue;
  height: 100%;
  aspect-ratio: 1 / 1;
}
#container {
  width: 100px;
  height: 50px;
  border: 1px solid black;
}
body {
  writing-mode: vertical-lr;
  background: pink;
}
</style>

<div id=container><div id=target></div></div>
